<?php
/**
 * Copyright 2014 Facebook, Inc.
 *
 * You are hereby granted a non-exclusive, worldwide, royalty-free license to
 * use, copy, modify, and distribute this software in source code or binary
 * form for use in connection with the web services and APIs provided by
 * Facebook.
 *
 * As with any software that integrates with the Facebook platform, your use
 * of this software is subject to the Facebook Developer Principles and
 * Policies [http://developers.facebook.com/policy/]. This copyright notice
 * shall be included in all copies or substantial portions of the software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
 * DEALINGS IN THE SOFTWARE.
 *
 */
namespace Facebook\Entities;

use Facebook\Entities\AccessToken;

class FacebookApp implements \Serializable
{
  /**
   * @var string 
   */
  protected $id;

  /**
   * @var string
   */
  protected $secret;

  /**
   * @param string $id
   * @param string $secret
   */
  public function __construct($id, $secret)
  {
    $this->id     = $id;
    $this->secret = $secret;
  }

  /**
   * @return string
   */
  public function getId()
  {
    return $this->id;
  }

  /**
   * @return string
   */
  public function getSecret()
  {
    return $this->secret;
  }

  /**
   * @return AccessToken
   */
  public function getAccessToken()
  {
    return new AccessToken($this->id . '|' . $this->secret);
  }

  public function serialize()
  {
    return serialize(array($this->id, $this->secret));
  }

  public function unserialize($serialized)
  {
    list($id, $secret) = unserialize($serialized);

    $this->__construct($id, $secret);
  }

}